across.tools.footprint.healpix_joins

Functions

inner(footprints[, order])	Computes the inner join from a list of footprints.
outer(footprints[, order])	Computes the outer join from a list of footprints
union(footprints[, order])	Computes the union of a list of footprints

Module Contents

inner(footprints, order=10)

Computes the inner join from a list of footprints. Returns the list of overlapping healpix-pixels (i.e. the duplicates)

outer(footprints, order=10)

Computes the outer join from a list of footprints Returns the list of non-over lapping healpix pixels (i.e. the non-duplicates)

union(footprints, order=10)

Computes the union of a list of footprints Returns the list of overlapping and non overlapping healpix pixels (i.e. all unique pixels)